IRS25803DSPBF
“COMBO8” PFC + BALLAST CONTROL IC
Features
PFC, ballast control and half-bridge driver in one IC Cri...
IRS25803DSPBF
“COMBO8” PFC + BALLAST CONTROL IC
Features
PFC, ballast control and half-bridge driver in one IC Critical-conduction mode boost-type PFC Internal VBUS sensing and regulation Internal PFC loop compensation Programmable PFC over-current Ignition
voltage regulation (current or
voltage control) Half-bridge non-ZVS protection Half-bridge over-current protection using low-side
MOSFET Rdson Programmable preheat time Programmable preheat frequency Programmable ignition ramp time Programmable run frequency
Voltage-controlled oscillator (VCO) analog input Latched EOL window comparator on VCC Internal EOL fault timer Fixed dead-time (1.7 µsec typ.) DC bus under-
voltage reset Lamp insert auto-restart Micro-power start-up current Under-
voltage lock-out mode Small 8-pin SOIC package Lead-free
Product Summary
Topology VOFFSET VBUS IO+ & IO- (typical) Dead-time
Package Options
Boost + Half-Bridge 600 V 470 V
180 mA & 260 mA 1.7µs
8-Lead SOIC
Applications
Electronic Ballast
Typical Application Diagram
IRS25803DS
1 www.irf.com © 2014 International Rectifier
February 24, 2014
...